Configuring DHCP Relay

The Dynamic Host Configuration Protocol (DHCP) provides a mechanism through which computers using Transmission Control Protocol/IP (TCP/IP) can obtain protocol configuration parameters automatically from a DHCP server on the network.

The following sections describe how to configure your E Series router to provide DHCP support:

• DHCP Relay and BOOTP Relay Overview
• Configuring DHCP Relay Settings
• Using the Broadcast Flag Setting to Control Transmission of DHCP Reply Packets
• Interaction of DHCP Relay Broadcast Flag with the Layer 2 Unicast Transmission Method
• Preventing DHCP Relay from Installing Host Routes by Default
• Example: Preventing Installation of Host Routes
• Including Relay Agent Option Values in the PPPoE Remote Circuit ID
• Configuring the Layer 2 Unicast Transmission Method for Reply Packets to DHCP Clients
• Using Option 60 Strings to Forward Client Traffic to Specific DHCP Servers
• Configuring the DHCP Relay Option 60 Attribute for Traffic Forwarding
• Relaying DHCP Packets That Originate from a Cable Modem
• DHCP Relay Agent Information Option (Option 82) Suboption Values Overview
• Configuring the DHCP Relay Agent Option 82 Settings
• Using the set dhcp relay agent sub-option Command to Enable Option 82 Suboption Support
• Using the set dhcp relay agent Command to Enable Option 82 Suboption Support
• Example: Using DHCP Relay Option 82 to Pass IEEE 802.1p Values to DHCP Servers
• Rate of DHCP Client Packets Processed by DHCP Relay Overview
• Configuring the Rate of Client Packets Processed by DHCP Relay
• Configuring DHCP Relay Proxy
• Managing Host Routes Using DHCP Relay Proxy